Characteristics of Eukaryotes and Protists

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Which method of reproduction is used by Euglena species?

Sexual reproduction

Longitudinal binary fission (correct)

Irregular binary fission

Transversal binary fission

What foundational ecological role do protists play?

Decomposers in the ecosystem

Tertiary consumers in the food chain

Secondary consumers in the food chain

Primary producers in the food chain (correct)

Which classification groups protozoans based on their movement?

The way they move (correct)

Their nutritional habits

Their mode of reproduction

Their cellular structure

What is a major ecological contribution of phytoplankton?

They are the primary food source for whales. Signup and view all the answers

Which Protist is known to be a pathogenic parasite?

Trypanosoma Signup and view all the answers

How do some protists benefit their symbiotic partners?

By photosynthesizing and producing oxygen Signup and view all the answers

What is the significance of protists forming cysts?

To survive in harsh conditions Signup and view all the answers

What phylum do Euglena and Trypanosoma belong to?

Sarcomastigophora Signup and view all the answers

Which phylum does Paramecium belong to?

Ciliophora Signup and view all the answers

What is the role of the macronucleus in Paramecium?

Binary fission Signup and view all the answers

What is the infective stage of Entamoeba histolytica?

Mature multinucleated cyst Signup and view all the answers

Which structure is used by Paramecium for locomotion?

Cilia Signup and view all the answers

What environment do most amoebas inhabit?

Freshwater Signup and view all the answers

Which organism causes amoeboid dysentery in humans?

Entamoeba histolytica Signup and view all the answers

How do most ciliates, including Paramecium, feed?

Phagocytosis Signup and view all the answers

What type of reproduction involves the binary fission of the macronucleus in Paramecium?

Asexual reproduction Signup and view all the answers

Which of the following is a characteristic feature of amoeboid protozoans?

They possess pseudopodia. Signup and view all the answers

In which environment would you most likely find ciliated protozoans?

Aquatic environments Signup and view all the answers

Which type of protozoan is associated with a flagella?

Flagellated protozoans Signup and view all the answers

What type of environment is most suitable for the survival of protists?

Aquatic environments Signup and view all the answers

Which reproductive method is common to almost all protists?

Mitosis Signup and view all the answers

Which group of protozoans is known for having a spore-like stage in their life cycle?

Sporozoans Signup and view all the answers

How do flagellated protozoans differ from amoeboid protozoans in terms of movement?

Flagellated protozoans use flagella for locomotion, while amoeboid protozoans use pseudopodia. Signup and view all the answers

What distinguishes photoautotrophic protists from heterotrophic protists?

Capability to produce their own food via photosynthesis Signup and view all the answers